Re: [Discuss-gnuradio] packet_length tag propagation

[Marcus Müller]

Hi Damindra,

1-Is "packet_length_tag" propagate from the USRP sink to USRP_source(that is from the transmitter to receiver)?

No. There's no such thing as tagging electromagnetic waves :)

That's why you need things like preambles to mark your packets for a receiver!

Best regards,

Marcus

On 12/12/2016 09:10 PM, Damindra Bandara wrote:

Hi,

I am trying to understand the tag propagation in GNURadio flow graphs. I appreciate if you could help me. Here are the questions I have.

1-Is "packet_length_tag" propagate from the USRP sink to USRP_source(that is from the transmitter to receiver)?

2-If not how can the receiver end knows about the length tag added from the transmitter?

Thanks,

Damindra

--

Damindra Savithri Bandara,

Ph.D. in Information Technology (Candidate)
George Mason University,
Fairfax,
Virginia

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